Bulgaria's Top 2% Scientists 2022
Bulgaria has 55 scientists on the 2022 single-year Top 2% list, up 14.6% from 48 in 2021. That places Bulgaria 68th in the world by number of listed scientists, up 2 places. Sofia University St. Kliment Ohridski has the most listed scientists (9), followed by Medical University of Sofia (5).
Scientists in Bulgaria on the list, by year
The single-year count has grown 57% since 2020.
Show the numbers
| Year | Single Year | Change | Career Data | Change |
|---|---|---|---|---|
| 2020 | 35 | 50 | ||
| 2021 | 48 | +37.1% | 73 | +46.0% |
| 2022 | 55 | +14.6% | 76 | +4.1% |
| 2023 | 58 | +5.5% | 79 | +3.9% |
| 2024 | 70 | +20.7% | 87 | +10.1% |
| 2025 | 63 | -10.0% | 91 | +4.6% |
Top 10 institutes in Bulgaria
By number of listed scientists
Show the list
- 1Sofia University St. Kliment Ohridski9
- 2Medical University of Sofia5
- 3Institute of Organic Chemistry with Centre of Phytochemistry (IOCCP) Bulgarian Academy of Sciences3
- 4University of Chemical Technology and Metallurgy Sofia3
- 5Bulgarian Academy of Sciences2
- 6Bulgarian Academy of Sciences, Institute of Mineralogy and Crystallography “Acad. Ivan Kostov”2
- 7Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences2
- 8Institute of Electronics Bulgarian Academy of Sciences2
- 9Institute of Mathematics and Informatics Bulgarian Academy of Sciences2
- 10Institute of Mechanics Bulgarian Academy of Sciences2
All 55 scientists
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Frequently asked questions
How many scientists from Bulgaria are in the 2022 Stanford Top 2% list?
55 scientists affiliated with Bulgaria are on the 2022 single-year list, and 76 are on the career-long list.
Which institute in Bulgaria has the most Top 2% scientists?
On the 2022 single-year list, Sofia University St. Kliment Ohridski has the most listed scientists from Bulgaria, with 9. It is followed by Medical University of Sofia with 5.
How has the number of Top 2% scientists in Bulgaria changed since 2020?
On the single-year list, Bulgaria went from 35 scientists in 2020 to 55 in 2022, a change of +57.1%.
What is the difference between the single-year and career-long lists?
The single-year list ranks scientists on the citations their work received in one year. The career-long list ranks them on citations across their whole career. Both lists are published every year, and a scientist can be on one, both or neither.
What is the official source of this data?
The rankings come from the science-wide author databases of standardized citation indicators published by Ioannidis et al. in the Elsevier Data Repository, updated every year. TOPSCINET, an independent platform, organises that data by country, year, institute and field, so you can compare and explore it.